VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BT093DG
Observer:       Mioduszewski, A.J.
Project type:   VLBA
Obs filename:   bt093dgcrd.*
Date/Day:       2007DEC17/351
Ants Scheduled: HN NL FD LA PT KP OV BR MK 

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Jim Ogle.                                                
          *SC still out for rust removal.                                       
           VCLOCK and gps delta checks okay.                                    
          %Sitecam weather: NL, FD, BR overcast. PT partly                      
           cloudy. LA and KP clear. HN, OV and MK sitecams not                  
           reporting. BR reports some snow in dish.                             
     1558  Begin.                                                               
1558-1958 *HN unable to observe due to heavy snow and ice load   WEA    100  240
           on antenna.                                                          
1558-1959 *NL unable to observe, ice has frozen the FRM          21889  100  241
           there at the 7mm position.                                           
1558-1600 *LA Mark5 is switching back and forth between          REC    100    2
           MOUNTED and RECORDING. Moving recording over to                      
           the other bank, the current pack is probably bad.                    
     1742 %BR reports 1" of snow on 100% of dish.                               
     1952  MK reports clear skies, lots of ice.                                 
     1959  End.                                                                 


Downtime Summary:
	Total downtime : 483 min
	Percentage downtime of observing: 22.3%
	Average downtime per hour : 13.4 min

    Total scheduled observing time (# Antennas): 2169 min (9)

Notes:
    * = Entries where data was affected.
    % = Entries where data may have been affected.
    & = Entries where the site tech was called out.
  WEA = Weather entries.
  MF# = Maintenance form or major downtime category associated with a problem.
  %AD = The percentage of an antenna affected by a problem.
  AMD = Total antenna-minutes downtime for a problem.
 Tsys = System Temperature (TP/SP x Tcal/2)
  ACU = Antenna Control Unit
  FRM = Focus/Rotation Mount
  RFI = Radio Frequency Interference
  VME = Site control computer
   CB = Circuit Breaker
 vclock = Program that compares site clock time to a standard.